<?php
ini_set('date.timezone','Asia/Shanghai');
error_reporting(E_ERROR);

require_once "WxPay.Api.php";
require_once 'WxPay.Notify.php';


class PayNotifyCallBack extends WxPayNotify
{
	//查询订单
	public function Queryorder($transaction_id)
	{
		$input = new WxPayOrderQuery();
		$input->SetTransaction_id($transaction_id);
		$result = WxPayApi::orderQuery($input);
		if(array_key_exists("return_code", $result)
			&& array_key_exists("result_code", $result)
			&& $result["return_code"] == "SUCCESS"
			&& $result["result_code"] == "SUCCESS")
		{	
			$transaction_id = $result['transaction_id'];
			$openid = $result["openid"];
			$total_fee = $result["total_fee"]/100;
			$attach = $result["attach"];
			$pid = md5($transaction_id.$openid.$total_fee.$attach."");
			file_get_contents("http://".$_SERVER['SERVER_NAME']."/?c=capi&a=orderback&transaction_id=".$transaction_id."&openid=".$openid."&fee=".$total_fee."&attach=".$attach."&pid=".$pid);
			return true;
		}
		echo "err";
		return false;
	}
	
	//重写回调处理函数
	public function NotifyProcess($data, &$msg)
	{
		$notfiyOutput = array();
		
		if(!array_key_exists("transaction_id", $data)){
			$msg = "输入参数不正确";
			return false;
		}
		//查询订单，判断订单真实性
		if(!$this->Queryorder($data["transaction_id"])){
			$msg = "订单查询失败";
			return false;
		}
		return true;
	}
}

$notify = new PayNotifyCallBack();
$notify->Handle(false);
